64085960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 148176000

約数和(自身を除く): 84090040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 194, 199, 332, 388, 398, 415, 485, 664, 776, 796, 830, 970, 995, 1592, 1660, 1940, 1990, 3320, 3880, 3980, 7960, 8051, 16102, 16517, 19303, 32204, 33034, 38606, 40255, 64408, 66068, 77212, 80510, 82585, 96515, 132136, 154424, 161020, 165170, 193030, 322040, 330340, 386060, 660680, 772120, 1602149, 3204298, 6408596, 8010745, 12817192, 16021490, 32042980, 64085960]

約数ペア:

[(1, 64085960), (2, 32042980), (4, 16021490), (5, 12817192), (8, 8010745), (10, 6408596), (20, 3204298), (40, 1602149), (83, 772120), (97, 660680), (166, 386060), (194, 330340), (199, 322040), (332, 193030), (388, 165170), (398, 161020), (415, 154424), (485, 132136), (664, 96515), (776, 82585), (796, 80510), (830, 77212), (970, 66068), (995, 64408), (1592, 40255), (1660, 38606), (1940, 33034), (1990, 32204), (3320, 19303), (3880, 16517), (3980, 16102), (7960, 8051)]